We often return to the issue of the role of the hyperscalers in 5G, because it is such a significant one for the future shape of the telecoms networks and the business model of operators. The spotlight is currently firmly on Amazon AWS, after a string of announcements and alliances that highlight the rapid evolution of its telecoms strategy. Following US-based Dish Network’s decision to deploy the RAN functions, in its forthcoming greenfield 5G network, on the AWS public cloud, several Open RAN vendors have tightened their ties with AWS, including Mavenir, Nokia and Viavi. And Telefónica said last week that it had validated AWS to run its 5G core in Brazil. It is keeping its virtualized RAN plans tied…